在塊狀衰退通道上的籬柵么正空時調變

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姓名

葉人豪(Jen-Hao Yeh) 查詢紙本館藏

畢業系所

通訊工程學系

論文名稱

在塊狀衰退通道上的籬柵么正空時調變
(Trellis-Coded Unitary Space-Time Modulation over Block Fading Channels)

相關論文

★ 具有快速改變載波相位之籬柵編碼MPSK 的非同調解碼	★ 用於非同調解碼之多層次編碼調變
★ 么正空間時間籬柵碼之解碼演算法	★ 由多層次編碼所架構之非同調碼
★ 用於非同調檢測之與空時區塊碼連結的區塊編碼調變	★ 用於正交分頻多工系統具延遲處理器的空時碼
★ 用於非同調區塊編碼MPSK之A*解碼演算法	★ 用於非同調區塊編碼MPSK之Chase演算法
★ 使用決定回授檢測之相差空時調變的一種趨近同調特性	★ 具延遲處理器的空時碼之軟式輸入輸出遞迴解碼
★ 用於非同調區塊編碼MPSK的最大可能性解碼演算法	★ 具頻寬效益之非同調調變
★ 非同調空時渦輪碼	★ 循環字首及補零正交分頻多工系統經預編碼後之頻譜比較
★ 循環字首及補零正交分頻多工系統在時序同步上之效能比較	★ 用於廣義非同調區塊編碼MPSK的解碼演算法

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摘要(中)

在這篇論文裡，我們研究在塊狀衰退通道上的籬柵么正空時調變的設計規則。我們使用多標誌的么正空時調變訊號星座集，並針對Ungerboeck的「根據集合分割的對映」提出更適合用於籬柵么正空時調變上的設計規則。模擬結果顯示當最短錯誤事件大於2時，相較於[12]提出的設計準則，我們所使用的設計方法能夠有效的改善籬柵么正空時調變的位元錯誤率。

摘要(英)

In this thesis, we study the design rules of trellis-coded unitary space-time modulation over block fading channels. We use the signal constellations constructed by multiple index structure, and then we propose better design rules by making use of Ungerboeck’s idea of “mapping by set partitioning” for trellis-coded unitary space-time modulation. Simulation results show that our design rules improve the bit error probability compared to the design criteria proposed in [12] when the shortest length of error event is more than two.

關鍵字(中)

★ 塊狀衰退通道
★ 無線通訊
★ 么正空時碼調變
★ 籬柵碼調變

關鍵字(英)

★ block fading channel
★ wireless communications
★ unitary space-time modulation
★ Trellis-coded modulation

論文目次

List of Figures III
List of Tables V
1 Introduction 1
2 Reviews of Unitary Space-Time Modulation 3
2.1 Introduction………………………………………………... 3
2.2 Rayleigh Flat-Fading Channel Model…………………….. 4
2.3 Constellations of Unitary Space-time Signals…………….. 6
2.4 Construction of Unitary Space-Time Constellations……… 12
3 Trellis Coded Unitary Space-Time Modulation 17
3.1 Introduction………………………………………………... 17
3.2 System Model of Trellis Coded Unitary Space-Time Modulation…………………………………………………
18
3.3 Performance Analyses of TC-USTM……………………… 19
3.4 TC-USTM Encoder Design……………………………….. 22
4 Trellis-Coded Unitary Space-Time Modulation Over Block Fading Channels
32
4.1 Introduction………………………………………………... 32
4.2 Set Partitioning……………………………………………. 33
4.3 Signal Constellations Suitable for TC-USTM…………….. 35
5 Simulation Results 43
5.1 Introduction………………………………………………... 43
5.2 Simulation Results………………………………………… 43
6 Conclusion 52

參考文獻

[1] E. Telatar, "Capacity of multi-antenna Gaussian ahannels, " AT&T-Bell Labs Internal Texh. Memo., June. 1995.
[2] G. J. Foschini, Jr. and M. J. Gans, "On limits of wireless communication in a fading environment when using multiple antennas," Wireless Personal Communication, Mar. 1998.
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[8] T. L. Marzetta and B. M. Hochwald, “Capacity of a mobile multiple-antenna communication link in Rayleigh flat fading,” IEEE Trans. Inform. Theory, vol. 45, pp. 139-157, Jan. 1999.
[9] G. H. Golub and C. F. V. Loan, Matrix Computations, 2nd ed. Baltimore, MD: John Hopkins Univ. Press, 1983.
[10] B. M. Hochwald, and W. Sweldens, "Differential unitary space-time Modulation," IEEE Trans. Comm., vol. 48, pp. 2041-2052, Dec. 2000.
[11]
R. Balan and I. Daubechies, private communication, 1998.
[12] Z. Sun and T.T. Tjhung, "On performance analysis and design criteria for trellis coded unitary space-time modulation," to appear in IEEE WCNC'2003, vol. 1, pp. 262-267, Mar. 2003.
[13] G. Ungerboeck, "Channel coding with multilevel/phase signal," IEEE Trans. Inform. Theory, vol. IT-28, pp. 55-66, Jan. 1982.
[14] I. Bahceci and T. M. Duman, "Trellis coded unitary space-time modulation," in proceedings of IEEE GlobeCom., pp. 1108-1112. nov. 2001.
[15] D. Divsalar and M. K. Simon, “The design of trellis coded MPSK for fading channels : Performance criteria,” IEEE Trans. Comm., vol. 36, pp. 1004-1012, Sept. 1988.
[16] J. K. Cavers and P. Ho, “Analysis of the error performance of trellis coded modulations in Rayleigh fading channels,” IEEE Trans. Comm., vol. 40, pp. 74-83, Jan. 1992.

指導教授

魏瑞益(Ruey-Yi Wei)

審核日期

2004-6-29

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